关于特测请教各位!!!!!!!

jason

<IMG border=0 SRC=http://forum.starbl.com/image/regular_smile.gif onload='javascript:if(this.width>screen.width-300)this.width=screen.width-300'> <IMG border=0 SRC=http://forum.starbl.com/image/teeth_smile.gif onload='javascript:if(this.width>screen.width-300)this.width=screen.width-300'> <IMG border=0 SRC=http://forum.starbl.com/image/omg_smile.gif onload='javascript:if(this.width>screen.width-300)this.width=screen.width-300'> <IMG border=0 SRC=http://forum.starbl.com/image/wink_smile.gif onload='javascript:if(this.width>screen.width-300)this.width=screen.width-300'> <IMG border=0 SRC=http://forum.starbl.com/image/wink_smile.gif onload='javascript:if(this.width>screen.width-300)this.width=screen.width-300'>
<br>请问特测望远镜是怎样直接读出距离的！
<br>请告知原理！！！！！！
<br>非常感谢1！！！！<IMG border=0 SRC=http://forum.starbl.com/image/whatchutalkingabout_smile.gif onload='javascript:if(this.width>screen.width-300)this.width=screen.width-300'> <IMG border=0 SRC=http://forum.starbl.com/image/whatchutalkingabout_smile.gif onload='javascript:if(this.width>screen.width-300)this.width=screen.width-300'> <IMG border=0 SRC=http://forum.starbl.com/image/whatchutalkingabout_smile.gif onload='javascript:if(this.width>screen.width-300)this.width=screen.width-300'> <IMG border=0 SRC=http://forum.starbl.com/image/whatchutalkingabout_smile.gif onload='javascript:if(this.width>screen.width-300)this.width=screen.width-300'> <IMG border=0 SRC=http://forum.starbl.com/image/whatchutalkingabout_smile.gif onload='javascript:if(this.width>screen.width-300)this.width=screen.width-300'>

高山鹰

<A HREF=http://starbl.com/image/compare_pt.jpg TARGET=_blank><IMG border=0 SRC=http://starbl.com/image/compare_pt.jpg onload="javascript:if(this.width>screen.width-366)this.width=screen.width-366"></A>普通测距型密位线
<br><br><br>[ 此消息由 高山鹰 在 2003-02-02.15:29:01 编辑过 ]

高山鹰

<A HREF=http://starbl.com/image/compare_tc.jpg TARGET=_blank><IMG border=0 SRC=http://starbl.com/image/compare_tc.jpg onload="javascript:if(this.width>screen.width-366)this.width=screen.width-366"></A>特测型直读数据线
<br>

高山鹰

明白了嘛  ！
<br>
<br>

jason

对不起！！！！！！
<br>我还是不明白！！！！！！
<br>请您详细介绍一下！！！！！！

jason

基本上明白是！
<br>非常感谢！！！